/// <summary>
/// Creates the items in the database.
/// </summary>
/// <param name="serviceProvider">The application service provider.</param>
/// <param name="token">The cancellation token for the task.</param>
public async Task CreateAsync(IServiceProvider serviceProvider, CancellationToken token)
{
// Check if there weren't any valid items found.
if (Items == null)
{
// Throw an exception.
throw new TaskException("No valid items could be found with the provided data.");
}
// Check if the exception item should be shown.
var showExceptionItem = Items.Count() > 1;
// Get the total number of batches.
var count = Math.Ceiling((double)Items.Count() / ApplicationDbContext.BatchSize);
// Go over each batch.
for (var index = 0; index < count; index++)
{
// Check if the cancellation was requested.
if (token.IsCancellationRequested)
{
// Break.
break;
}
// Get the items in the current batch.
var batchItems = Items
.Skip(index * ApplicationDbContext.BatchSize)
.Take(ApplicationDbContext.BatchSize);
// Get the IDs of the related entities that appear in the current batch.
var batchAnalysisIds = batchItems
.Where(item => item.Analysis != null)
.Select(item => item.Analysis)
.Where(item => !string.IsNullOrEmpty(item.Id))
.Select(item => item.Id)
.Distinct();
var batchUserIds = batchItems
.Where(item => item.User != null)
.Select(item => item.User)
.Where(item => !string.IsNullOrEmpty(item.Id))
.Select(item => item.Id)
.Distinct();
// Define the list of items to get.
var analyses = new List <Analysis>();
var users = new List <User>();
// Create a new scope.
using (var scope = serviceProvider.CreateScope())
{
// Use a new context instance.
using var context = scope.ServiceProvider.GetRequiredService <ApplicationDbContext>();
// Get the related entities that appear in the current batch.
analyses = context.Analyses
.Where(item => batchAnalysisIds.Contains(item.Id))
.ToList();
users = context.Users
.Where(item => batchUserIds.Contains(item.Id))
.ToList();
}
// Save the items to add.
var analysisUsersToAdd = new List <AnalysisUser>();
// Go over each item in the current batch.
foreach (var batchItem in batchItems)
{
// Check if there was no analysis provided.
if (batchItem.Analysis == null || string.IsNullOrEmpty(batchItem.Analysis.Id))
{
// Throw an exception.
throw new TaskException("There was no analysis provided.", showExceptionItem, batchItem);
}
// Get the analysis.
var analysis = analyses
.FirstOrDefault(item => item.Id == batchItem.Analysis.Id);
// Check if there was no analysis found.
if (analysis == null)
{
// Throw an exception.
throw new TaskException($"There was no analysis found.", showExceptionItem, batchItem);
}
// Check if there was no user provided.
if (batchItem.User == null || string.IsNullOrEmpty(batchItem.User.Id))
{
// Throw an exception.
throw new TaskException("There was no user provided.", showExceptionItem, batchItem);
}
// Get the user.
var user = users
.FirstOrDefault(item => item.Id == batchItem.User.Id);
// Check if there was no user found.
if (user == null)
{
// Throw an exception.
throw new TaskException($"There was no user found.", showExceptionItem, batchItem);
}
// Define the new item.
var analysisUser = new AnalysisUser
{
DateTimeCreated = DateTime.UtcNow,
AnalysisId = analysis.Id,
UserId = user.Id
};
// Add the item to the list.
analysisUsersToAdd.Add(analysisUser);
}
// Create the items.
await IEnumerableExtensions.CreateAsync(analysisUsersToAdd, serviceProvider, token);
}
}
public async Task <IActionResult> OnPostAsync(string id)
{
// Get the current user.
var user = await _userManager.GetUserAsync(User);
// Check if the user does not exist.
if (user == null)
{
// Display a message.
TempData["StatusMessage"] = "Error: An error occured while trying to load the user data. If you are already logged in, please log out and try again.";
// Redirect to the home page.
return(RedirectToPage("/Index"));
}
// Check if there isn't any ID provided.
if (string.IsNullOrEmpty(id))
{
// Display a message.
TempData["StatusMessage"] = "Error: No ID has been provided.";
// Redirect to the index page.
return(RedirectToPage("/Content/Created/Analyses/Index"));
}
// Get the items with the provided ID.
var items = _context.Analyses
.Where(item => item.AnalysisUsers.Any(item1 => item1.User == user))
.Where(item => item.Id == id);
// Check if there were no items found.
if (items == null || !items.Any())
{
// Display a message.
TempData["StatusMessage"] = "Error: No item has been found with the provided ID, or you don't have access to it.";
// Redirect to the index page.
return(RedirectToPage("/Content/Created/Analyses/Index"));
}
// Define the view.
View = new ViewModel
{
Analysis = items
.Include(item => item.AnalysisUsers)
.ThenInclude(item => item.User)
.Include(item => item.AnalysisUserInvitations)
.First()
};
// Check if the reCaptcha is valid.
if (!await _reCaptchaChecker.IsValid(Input.ReCaptchaToken))
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The reCaptcha verification failed.");
// Return the page.
return(Page());
}
// Check if the provided model is not valid.
if (!ModelState.IsValid)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "An error was encountered. Please check again the input fields.");
// Return the page.
return(Page());
}
// Check if the provided e-mail address already has access to the network.
if (View.Analysis.AnalysisUsers.Any(item => item.User.Email == Input.Email) || View.Analysis.AnalysisUserInvitations.Any(item => item.Email == Input.Email))
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The user with the provided e-mail already has access to the network.");
// Return the page.
return(Page());
}
// Try to get the user with the provided e-mail address.
var userToAdd = _context.Users
.FirstOrDefault(item => item.Email == Input.Email);
// Check if any user has been found.
if (userToAdd != null)
{
// Create the user permission.
var networkUser = new AnalysisUser
{
UserId = userToAdd.Id,
User = userToAdd,
AnalysisId = View.Analysis.Id,
Analysis = View.Analysis,
DateTimeCreated = DateTime.Now
};
// Mark it for addition to the database.
_context.AnalysisUsers.Add(networkUser);
// Save the changes to the database.
await _context.SaveChangesAsync();
}
else
{
// Create the user permission.
var networkUserInvitation = new AnalysisUserInvitation
{
Email = Input.Email,
AnalysisId = View.Analysis.Id,
Analysis = View.Analysis,
DateTimeCreated = DateTime.Now
};
// Mark it for addition to the database.
_context.AnalysisUserInvitations.Add(networkUserInvitation);
// Save the changes to the database.
await _context.SaveChangesAsync();
}
// Define the view model for the e-mails.
var emailAddedToAnalysisViewModel = new EmailAddedToAnalysisViewModel
{
Email = user.Email,
Name = View.Analysis.Name,
Url = _linkGenerator.GetUriByPage(HttpContext, "/Content/Created/Analyses/Details/Index", handler: null, values: new { id = View.Analysis.Id }),
AddedEmail = Input.Email,
ApplicationUrl = _linkGenerator.GetUriByPage(HttpContext, "/Index", handler: null, values: null)
};
var emailWasAddedToAnalysisViewModel = new EmailWasAddedToAnalysisViewModel
{
Email = Input.Email,
Name = View.Analysis.Name,
Url = _linkGenerator.GetUriByPage(HttpContext, "/Content/Created/Analyses/Details/Index", handler: null, values: new { id = View.Analysis.Id }),
AddedByEmail = user.Email,
ApplicationUrl = _linkGenerator.GetUriByPage(HttpContext, "/Index", handler: null, values: null)
};
// Send the defined e-mails.
await _emailSender.SendAddedToAnalysisEmailAsync(emailAddedToAnalysisViewModel);
await _emailSender.SendWasAddedToAnalysisEmailAsync(emailWasAddedToAnalysisViewModel);
// Display a message to the user.
TempData["StatusMessage"] = "Success: 1 user added successfully to the network.";
// Redirect to the users page.
return(RedirectToPage("/Content/Created/Analyses/Details/Accounts/Users/Index", new { id = View.Analysis.Id }));
}